[Hoffmannnn]

The article goes into a lot of good detail about how much easier it is to get a visa & temporary residence. Let's assume that there was no uncertainty there, and you could instead get permanent residence and/or citizenship... After going through all that, what have you gained?

Why go there in the first place? It didn't look like the government was offering any sort of funding or tax relief for somebody who decides to start their business in Spain instead of anywhere else.